Burners



J- R. BROWN March 7, 1967 BURNERS Filed Dec. 7, 1964 INVENTOR.

JAMES R- 6 Ro United States Patent 3,307,611 BURNERS James R. Brown,3611 N. Main St., Soquel, Calif. 95073; June D. Brown, executrix of thelast will of said James R. Brown, deceased Filed Dec. 7, 1964, Ser. No.416,382 3 Claims. (Cl. 158-88) This invention relates to burners, andespecially to a wick-type of burner in which the fuel to be burned isdelivered by capillary action.

The object of the present invention is generally to improve theconstruction and operation of burners of the character described; toprovide a burner in which a wick is employed to supply fuel to theburning area by capillary action and without applying pressure on thefuel; to provide a burner to which air under pressure slightly aboveatmospheric pressure is supplied to the burning area so as to promotecombustion; and further, to provide a burner from which no gasdischarges or fuel leakage can take place if the flame in the burner isextinguished.

The invention is shown by way of illustration in the accompanyingdrawings, in which: I

FIGURE 1 is a vertical section of the burner, and a portion of the tankcontaining the liquid fuel to be burned.

FIGURE 2 is a plan view of an air distributing disk; and

FIGURE 3 is a side view of a frame which supports the fuel tank and twoburners.

Referring to the drawings in detail, and particularly FIGURE 3. Aindicates a frame supported by four legs 2. Supported by straps 3 in theframe is a fuel tank 4, and supported by the tank are two burner unitsindicated at B and C. Inasmuch as the burner units are identical inconstruction, the description of one will suflice.

Referring now to FIGURE 1, 5 indicates a burner body, which is tubularin shape. The burner body is disposed on a heat-insulating washer 6,which is secured to the tank. Formed adjacent to the upper end of theburner body and interior thereof is an annular shoulder 7, on which isdisposed an air distributing disk 8. Secured in a suitable manner andextended centrally through the burner body, is a wick tube 9, andextending through the wick tube, and down into the tank is a wick It).Supported by the disk 8, is a chimney tube 11, which has rows ofperforations formed therein, as indicated at 12.

In actual operation one or both burners may be lit by extending a matchdown into the burner tube, so as to ignite the wick. At the same time acircuit is closed through a motor 14, by means of a switch not shown.The motor drives a fan which delivers the air through a manifold 16 toeach burner. The air from the fan enters a chamber 17 in the burnerbody, and then passes upwardly through an annular row of perforations 18formed in the disk 8. Air is thus delivered and distributed around theburning wick causing it to burn with an intense blue flame, to whichfurther air is delivered through the perforations 12 formed in thechimney. The primary air delivered by the fan 15 is under a very slightpressure, probably not more than Ms of a lb. per square inch. The motor14 requires so little current that it hardly registers on an amp meter,thus the current may be supplied by dry battery or the usual storagebattery used in automobiles, trailers, or motor boats.

If a pot of coffee is placed over the burner C and happens to boil over,the flame in the burner C may become extinguished, but no harm will bedone as the fuel is delivered to the wick by capilliary action, nor willany gas be discharged as there is no generating tube employed to makegas, nor is there any danger of the fuel overflowing to create a firehazard, nor is any carbon monoxide formed where alcohol as a fuel isemployed.

At the present time there are several burners known as capstoves, asthey are employed or used in camping and they are also used on yachtsand motorboats in the cook cabin. Practically all of these stovesrequire fuel under pressure. The fuel employed will be gasoline,kerosene or alcohol. The pressure applied to the fuel may be supplied bya hand pump; or an elevated tank to produce pressure. Stoves of thischaracter is or are a great hazard, as the flame is easily extinguished,by a coffee pot boiling over, of by draft, etc, and if or whenextinguished, will create an explosion. When gas discharges through agenerating tube it becomes cool; then liquid fuel begins to flow,producing a great fire hazard. This being particularly true whereburners of this character are used on motor boats, yachts, etc.

The burner shown in this invention cannot produce gas, nor can liquidfuel leak or discharge therefrom. Nor can the atmosphere be charged withcarbon monoxide, as I prefer the use of alcohol.

Having thus described my invention I desire to cover the invention inthe following claims.

1. In a Wick type burner, a fuel tank, a housing supported by the. fueltank, a wick tube extending through the housing, a wick disposed withinthe tube filling the entire cross-sectional area of the tube, said wicktube extending in the tank at one end and to a burning area at the upperend of the tube, means for delivering a primary flow of air to thehousing, a disk at the upper end of the housing forming a covertherefor, said disk having perforations around the outer edge touniformly direct the air to the burning area, and a chimney supported bythe housing, said chimney having perforations therein to admit asecondary flow of air to the burning area.

2. In a wick type burner, a fuel tank, a housing supported by the fueltank, a wick tube extending through the housing, a wick disposed withinthe tube filling the entire cross-sectional area of the tube, said wicktube extending in the tank at one end and to a burning area at the upperend of the tube, means for delivering a primary flow of air to thehousing, a disk at the upper end of the housing forming a covertherefor, said disk having perforations around the outer edge touniformly direct the air to the burning area, and a chimney supported bythe housing, said chimney having perforations therein to admit asecondary flow of air to the burning area, and an insulating washerdisposed at the lower end of the housing, said washer preventing heatflow from the housing to the fuel tank.

3. In a wick type burner, a fuel tank, a housing supported by the fueltank, a wick tube extending through the housing, a wick disposed withinthe tube filling the entire cross-sectional area of the tube, said wicktube extending in the tank at one end and to a burning area at the upperend of the tube, and a blower for delivering a primary air to thehousing, said blower being only capable of providing air at a pressureof pound per square inch, and a chimney supported by the housing,

said chimney being perforated to admit a secondary flow 2,344,291 3/1944De Lancey 15894 of air to the burning area. 2,492,532 12/ 1949 Long eta1. 15894 X 3,185,144 5/1965 Price 126-96 X References Cited by theExaminer FOREIGN PATENTS UNITED STATES PATENTS 5 702,681 1/1954 GreatBritain. 273,005 2/1883 Armour 126-45 2,019,646 11/1935 Barhofi 15894 XFREDERICK KETTERER, Primary Examiner.

1. IN A WICK TYPE BURNER, A FUEL TANK, A HOUSING SUPPORTED BY THE FUELTANK, A WICK TUBE EXTENDING THROUGH THE HOUSING, A WICK DISPOSED WITHINTHE TUBE FILLING THE ENTIRE CROSS-SECTIONAL AREA OF THE TUBE, SAID WICKTUBE EXTENDING IN THE TANK AT ONE END AND TO A BURNING AREA AT THE UPPEREND OF THE TUBE, MEANS FOR DELIVERING A PRIMARY FLOW OF AIR TO THEHOUSING, A DISK AT THE UPPER END OF THE HOUSING FORMING A COVERTHEREFOR, SAID DISK HAVING PERFORATIONS AROUND THE OUTER EDGE TOUNIFORMLY DIRECT THE AIR TO THE BURNING AREA, AND A CHIMNEY SUPPORTED BYTHE HOUSING, SAID CHIMNEY HAVING PERFORATIONS THEREIN TO ADMIT ASECONDARY FLOW OF AIR TO THE BURNING AREA.